>> And the following commit seems to change the behavior.>> >> [nfsd4: fix error return when pseudoroot missing]>> f39bde24b275ddc45df1ed835725b609e178c7a0>> >> Well, anyway, is this a expected behavior change, or something bug?>> It's expected. I'd recommend turning off nfsv4 on the server (add "-N4"> to the rpc.nfsd commandline) for now.

This looks like the silent user visible change. So, it would be betterto add more comment at least in changelog.